SOLUTION: 69.72=68.9257x + 70.9249(1-x)

Question 51387: 69.72=68.9257x + 70.9249(1-x)
Answer by rchill(405) (Show Source): You can put this solution on YOUR website!
expands to , or . Adding like terms on the right side of the equation produces . Now subtract 70.9249 from both sides. This produces the equation which reduces to . Dividing both sides by -1.9992 yields equation , which reduces to . To check our answer, substitute it into the original equation for x, producing . Simplifying this equation produces . Simplifiying further yields , which produces . Rounding to the nearest hundredth produces 69.72 = 69.72, a true statement, which means our answer of is correct.
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